There are diamonds, and there are super-deep diamonds. Regular diamonds were formed 100 miles underground. They then found their way close enough to the surface, and in big enough quantities.. Read More...

I was surprised to find the word "sustainable" missing from my dictionary. I'm not joking. All the pages are intact, but my battered Oxford Concise Dictionary from school goes straight ... Read More...

There was a time when jewelers knew where the threats lay. Bad people wanted to steal their jewels. So they bought a nice, big safe. Nowadays things are not so simple. Jewelers can be attacked for something even more valuable than their diamonds - their data. Read More...

I've been doing some hard thinking this week about how we add value. Every business on the planet does it. They turn raw materials into finished goods, fix broken cars or polish rough ... Read More...

Rare is a relative term. Compared to most other minerals, diamonds are rare. Among all the diamonds ever mined, those of exceptional size, clarity and color are highly-prized. But beyond ... Read More...

There's nothing new under the sun. So said King Solomon, the wisest of all men. But even the familiar sometimes takes us by surprise. You might imagine we know everything there is to be known about diamonds. Read More...

What is it with diamonds and cold weather? They could turn up anywhere in the world, but they seem to favor the most inhospitable climates. You'd think that with all that random underground churning there'd be... Read More...

I'm going to start with an apology. This is another Memo about Tiffany & Co. Yes, they do seem to get more than their fair share of coverage. But they are an endlessly interesting company, rarely ... Read More...

Every car in the world has a unique 17-character vehicle identification number (VIN). You'll find it on the lower-left-hand corner of the dashboard, on the driver's side door and engraved in the... Read More...

I promised myself I'd write a "heavy" Memo this week. One with facts and figures and maybe even a graph. But then I was distracted by an item of ridiculous-ness which, frankly, I couldn't resist. To be fair... Read More...